16.360 Lecture 23

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16.360 Lecture 23
Today

• Dynamic Filed
• Faradays Law
• Stationary loop in a time-varying Magnetic field

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16.360 Lecture 23
Static field
Dynamic Field
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16.360 Lecture 23
Faradays Law
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16.360 Lecture 23
Electromotive force
Stationary Loop in a Time-varying Magnetic field
Lenzs law
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16.360 Lecture 23
Faradays law, differential form
An example
(a) The magnetic flux link of a single turn of
the inductor.
(b) The transformer emf,.
(c) The polarity of the emf.
(d) The induced current.
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16.360 Lecture 23
Example II
Determine the voltage drops across the two
resistors